Tridelta Meidensha GmbH, Germany

Tridelta Meidensha

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Brand Information

Since more than 50 years we manufacture top quality surge arresters in our factory in Hermsdorf/Germany.

At the same time our company looks back to a history of more than 100 years.

Today TRIDELTA Surge Arresters stand for worldwide best quality, highest reliability and free of maintenance over their whole service life. Our portfolio of metaloxide surge arresters for system voltages from 1 kV up to 800 kV  is completed by customized arrester solutions for special applications.

Our surge arresters are in reliable service in more than 120 countries worldwide and prove successfully their duty even under the most severe climatic conditions.

Since 2015 Tridelta is part of Meiden Corporation with Headquarters in Japan.

 

High Voltage

High Voltage Surge Arresters up to 800 kV

 

Surge arresters for High Voltage applications up to 800 kV, SB series with porcelain housing, series SBK, SBKC and SBKT - three designs with silicone housing

 

Porcelain

Surge arresters in top quality porcelain housings up to 800 kV, with outstanding sealing design for longest service life, available in 3 construction designs

 

Silicone - Solid Core Design

Surge arresters with silicone housing up to 170 kV, economic and very low weight, very convenient for application as station or transmission line surge arresters

 

Silicone - Cage Design

Surge arresters with silicone housing up to 420 kV for applications with advanced mechanical requirements, best price/performance ratio, use as station or transmission line surge arresters

 

Silicone - Tube Design

Surge arresters with silicone housing as a tube design that provides highest mechanical resistance and excellent tightness, up to 800 kV, use as station surge arrester, especially suitable for very severe seismic conditions

 

Medium Voltage

Medium Voltage Metal Oxide Surge Arresters and Limiters up to 51 kV

Outdoor Applications

MV surge arresters with silicone housing – customized solutions available through a wide range of creepage distance, fixation means, terminals and accessories

 

Indoor Applications

MV surge arresters for protection of power transformers, metalclad switchgears and cable terminations in indoor environments – available with different possibilities of terminals and customized length adaptation

 

DC Arresters

 

Surge arresters up to 4,8 kV DC for rolling stock, tram, or streetcars or for protection of DC equipment and overhead lines

 

Transmission Line Arresters

 

Effective Protection of overhead lines from lightning overvoltage to improve line availability and stability of the electrical grid. Design as NGLA-Types (Non Gapped Line Arresters) with silicone housing

 

Monitoring

 

Monitoring solutions for surge arresters for early detection of failures modes

 

Special Solutions

Besides our standard portfolio, we offer customized surge arrester solutions. A high degree of flexibility of our engineering and manufacturing processes and extensive internal testing capabilities allow us to create individual surge arrester solutions for your specific application.

Some examples are:

  • Arresters with extra-long creepage distance for installation under extreme environmental conditions
  • Arresters with extra high energy absorption capacity, such as for capacitor banks or for the AC side protection of HVDC systems, Series Compensation (SC) or Static VAR compensator (SVC) applications
  • Special solutions regarding surge arrester’s connection terminals or installation variants
  • Arresters with customer installation / mounting variants
  • Arresters with supporter function

 

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